Saw-handle.



Patented Sept.- 24, |90I.

L. K. HAAK. SAW HANDLE.'

(Application tiled Nov. 26, 1900.)

(N0 Model.)

UNITED STATES PATENT OFFICE.

LUTHER K. I-IAAK, OF LUTHER, MICHIGAN.

SAW-HAN DLE.

SPECIFICATION forming part of Letters Patent No. 683,117, datedSeptember 24, 1901.

Application tiled November 26, 1900. Serial No. 37,825. (No model.)

To @ZZ whom, it may concern/ Beit known that I, LUTHER K. HAAK, acitizen of the United States, residing at Luther,

While in use and in which the wooden portion of the handle will not besplit by the nut for engaging the yoke-bar.

The invention consists in the construction and novel combination andarrangement of parts hereinafter fully described, illustrated in theaccompanying drawings, and pointed out in the claims hereto appended.

In the drawings, Figure 1 is a longitudinal sectional view of asaw-handle constructed in accordance with this invention. Fig. 2 is ahorizontal sectional View on the line 2 2 of Fig. 1. Fig. 3 is a detailperspective view of the wooden sleeve. Fig. et is a similar view of thenut. Fig. 5 isa sectional View on the line 5 5 of Fig. l.

Like numerals of reference designate correspending parts in all thefigures of the drawings.

1 designates a wooden handle provided at its lower end with alongitudinal bore having a reduced inner portion 2 and a larger outerportion 3, receiving a nut 4 and a sleeve 3F. The nut 4, which isprovided with interior screw-threads to engage the threads of a yoke-bar6, is seated against the shoulder 7, formed by the reduced portion 2 ofthe bore. The nut, which is cylindrical, is provided with longitudinalwings 8, depending from its lower end and engaging the inner or up perend of the sleeve 3a, which is constructed of wood and which is designedto be glued or otherwise secured into the enlarged portion 3 of the boreof the handle. The upper end of the wooden sleeve Si* is provided atopposite sides with longitudinal slots 9, which are adapted to receivethe longitudinal wings or iianges 8 of the nut, and the said wings orflanges 8 are tapered, as clearly shown in Fig.

,and are adapted to expand the upper portion of the wooden sleeve withinthe bore of the handle, whereby the nut and the sleeve are irmly heldtherein. In order to prevent the nut from rotating independently ofthehandle, the longitudinal wings or flanges are provided at their outersides with longitudinal ribs 10, tapering in cross-section to providesharp edges and embedded in the walls of the bore of the handle, asclearly shown in Fig. l, whereby the nut is rigidly held in the bore. Inassembling Vthe parts the nut is forced into the bore and is seatedagainst the shoulder 7, and the wooden sleeve is then driven into thebore and is expanded by the tapered wings or llanges 8. The sleeve isfurther conlined in the bore by a ferrule "1l, having a tapered socket12, gradually decreasing in diameter toward its upperor inner end andadapted when driven on the lower or outer end of the handle to compressthe4 same at a point between the ends of the wooden sleeve. The handlealso expands within the socket portion of the ferrule, which is providedwith ribs 13 to engage the said handle. The ribs,which are tapered incrosssection, as clearly shown in Fig. 5, are embedded in the handle,and they prevent the ferrule from rotating on the same. The ferrule isprovided between its ends with an interior annular ange 14, dividing theferrule into upper and lower socket portions and forming a seat for thelower end of the handle, whereby the latter is prevented from sinkingtoo far into the ferrule. The interior annular flange also serves tosupport the yoke-bar, whereby the latter is prevented from beingtwisted. or otherwise injured by lateral strain, and the liability ofthe said yoke-bar to breakage within the handle is reduced to -aminimum.

The lower inverted socket of the ferrule is tapered or slightly conicalto receive a tapering approximately conical washer 15, which is providedat its lower end with an outwardly-extending annular iiange 16, havingan annular groove 17 at its upper face IOO to receive a dependingannular rib 18, formed integral with and arranged at the lower end oftheferrule. The annular rib 17 is rounded, and it forms a bearing orseatfor firmly supporting the cup-shaped Washer 15, which is adapted toengage the blade 19 of a saw. rlhe yoke-bar is provided with the usualopening for the saw-blade, and the sides are expanded to form stops v20-to prevent the Washer from leaving the yokebar.

It will be seen that the sawhandle is exceedingly simple and inexpensivein construction, that it possesses great strength and durability, andthat it is adapted to be readily operated to 'clamp and release asaw-blade. It will also be apparent that when the handie is rotated onthe yoke-bar in a direction to force the washer downward the latter willbe firmly engaged with the saw-blade and that there is no liabilityofthe nut splitting the handle, as the said nut is seated against a solidportion of the handle, and the latter is reinforced by the wooden sleeveor lining, which is subjected to the principal portion of the stra-inincident to rotating the nut. It will also be apparent that the yoke-baris supported rigidly at two points within the handle-viz., at the nutand at the interior annular iiange of the ferrule, which is rigid withthe handleand that the said yoke-bar is thereby relieved of lateralstrain and is prevented from breaking within the handle; also, lthesleeve or lining is expanded at its inner end and the handle iscompressed around it near its outer end, and the outer esa-11;?

end of the handle permitted to expand withinl the tapered upper socketportion of the ferrule.

What I claim is-L 1. A device of the class described comprising a woodenhandle having a bore, a Wooden sleeve arranged Within the bore andprovided with slots at its innerend, and a nut arranged Within thehandle and provided with wings extending into the slots of the sleeveand expandin g the latter, said Wings being provided at their outerfaces with ribs embedded in the walls of the bore of the handle,substantially as described.

2. A device of the class described comprising a Wooden handle, a nutarranged within the same, a sleeve constructed of expansible materialand having its inner end engaged by the nut and expanded within thehandle, a fel-rule having upper and lower socket portions and providedwith an interior seat receiving the handle, the lower socket portionbeing tapered and the ferrule being provided at its lower end with arounded rib, and a tapering washer iitting within the lower socketportion of the ferrule and provided with an annular {iange having agroove to receive the said rib, substantially as described.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in the presence of two Witnesses.

LUTHER Kr HAAK.

Witnesses:

JAMES COLEMAN, BLANCHE A. HEADLEY.

